Yes. You can verify any @Usps.com address in real time with a direct SMTP handshake that provides 99.7% accuracy. Usps.com is operated by United States Postal Service, runs 2 mail servers, enforces 2 of 3 authentication standards, and is currently responding to SMTP.
Every check returns one of three clear outcomes so you know exactly what to do with the address.
The mailbox exists and accepts mail. Send with confidence, the address is deliverable.
The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.
The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.
usps.com publishes 2 MX records. The primary mail exchanger is mxa-0038fd02.gslb.gpphosted.com, hosted by Proofpoint, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.
| Priority | Hostname | IP | Status |
|---|---|---|---|
| 10 | mxa-0038fd02.gslb.gpphosted.com | 66.159.227.37 | Reachable |
| 10 | mxb-0038fd02.gslb.gpphosted.com | 66.159.227.37 | Reachable |
220 mx0e-0038fd02.gpphosted.com ESMTP mfa-m0420790Yes. usps.com is a valid email domain, operated by United States Postal Service. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.
A live SMTP handshake connects to Usps.com's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.
Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.
Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.
People leave companies. Verification flags usps.com mailboxes deactivated since you collected them.
Expired or full usps.com inboxes hard-bounce. A live SMTP check catches them before you hit send.
Low bounce rates keep you trusted by usps.com mail servers and the major mailbox providers.
Verified contacts mean your CRM, lead scoring, and routing all run on addresses that reach a person.
Usps.com is United States Postal Service, registered through Network Solutions, LLC and first seen Jul 10, 1997.
The United States Postal Service (usps.com) is an independent agency of the U.S. federal government responsible for providing postal service across the United States. USPS delivers billions of pieces of mail annually and is one of the most commonly impersonated organizations in phishing attacks worldwide.
USPS implements email authentication with SPF, DKIM, and DMARC. The Postal Service is among the most impersonated entities globally for phishing, with fake delivery notification scams targeting millions of Americans.
The usps.com mail servers do not operate as catch-all. Recipients are validated and invalid addresses rejected. USPS applies strict security filtering.
Reliable delivery to usps.com requires full authentication compliance. USPS applies rigorous filtering given its status as a top phishing impersonation target.
Upload a CSV or TXT list of Usps.com addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.
CSV or TXT with one email per line. No formatting needed.
Each Usps.com address is checked with a live server handshake.
Get a verified list with status codes, risk flags, and catch-all detection.
Pay as you go. No subscriptions, and credits never expire.
Everything about verifying email at this domain.
Yes, usps.com is an official government email domain used by United States Postal Service. Government domains are verified and regulated, making them highly trustworthy.
No, usps.com is an official government domain used by United States Postal Service for official government communications.
usps.com uses government-managed mail infrastructure with strict security measures and email authentication.
Sending unsolicited marketing emails to government addresses at usps.com is generally not recommended. Only send with explicit opt-in consent.
Government domains like usps.com often have strict mail server configurations. Use BulkEmailChecker for reliable verification results.
Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.
99.7% accurate using a direct SMTP handshake with usps.com's mail servers, the same engine that has verified billions of addresses since 2012.
Other government email domains we have audited.